22 March 2016, 11:35 AM ET
Toronto Mayor Rob Ford has been diagnosed with an extremely rare and fast-growing tumor.
22 March 2016, 10:52 AM ET
This spring-break, families and college students will flock to the Caribbean and other sunny locales, including areas where the mosquito-borne Zika virus is spreading. People should take precautions to avoid becoming infected with Zika, doctors say.
22 March 2016, 10:31 AM ET
A journal article says herpes virus and Lyme disease bacteria are behind the mind-robbing illness, but not all researchers are convinced.
22 March 2016, 12:15 AM ET
A little wine is good for us, right? Not so fast, new research says.
21 March 2016, 04:35 PM ET
Anxiety disorders tend to first show up during the teen years, and now researchers say they may have found one reason why.
21 March 2016, 03:32 PM ET
A stick-on patch could tracks blood sugar levels and even deliver a drug if they get too high, according to a new study.
21 March 2016, 11:38 AM ET
A new study finds that fitness trackers can vary widely in their calorie estimates, and tend to underestimate the number of calories burned.
19 March 2016, 11:38 AM ET
There are some strange ideas for birth control out there, particularly for men, and some even work.
18 March 2016, 03:22 PM ET
The number of Zika cases in the United States is on the rise.
18 March 2016, 02:46 PM ET
Two new cases of Ebola have been confirmed in Guinea, the country's first since it was declared Ebola-free in late December.
18 March 2016, 01:29 PM ET
Online retail giant Amazon may be looking at ways to let you pay for purchases with just a look.
18 March 2016, 12:20 PM ET
Young adults who have severe mental health disorders that involve psychosis, or a break with reality, may benefit from exercising, a new, small study suggests.
18 March 2016, 11:38 AM ET
New York state officials have announced a new plan aimed at preventing the transmission of the mosquito-borne Zika virus or limiting an outbreak if the virus were to arrive in the area.
17 March 2016, 07:04 PM ET
A new review points to promising research on marijuana as a cancer treatment, but questions remain about the usefulness of the drug for human patients.
17 March 2016, 07:13 AM ET
Straight men are programmed to love breasts so that they'll play with them during sex, which triggers the woman's maternal bonding circuitry.
17 March 2016, 01:50 AM ET
The hygiene hypothesis states that early exposure to germs helps a child's immune system develop resistance to infections. Studies suggest that a lack of exposure results in higher rates of allergies and asthma.
17 March 2016, 12:01 AM ET
Are Americans growing more liberal in their attitudes toward cohabitation?
16 March 2016, 10:46 PM ET
Sitting down for long periods is linked with several health risks. Can a desk that lets you stand up while you work help?
16 March 2016, 04:45 PM ET
While areas of south Texas and Florida are at high risk of localized Zika transmission, only a handful of people are likely to be infected.
16 March 2016, 02:21 PM ET
Stimulating the brain with a mild electrical current could speed up people's recovery after a stroke, a new study finds.
15 March 2016, 07:30 PM ET
Would you shape up your behavior if you knew you were at higher risk for conditions like heart disease or cancer?
15 March 2016, 06:30 PM ET
One in 100 women who become infected with the Zika virus during the first trimester of pregnancy will give birth to a child with microcephaly, a new estimate says.
15 March 2016, 12:08 PM ET
An experimental drug mixture can successfully fight the Ebola virus in monkeys, fully protecting them from lethal infections, according to a new study.
15 March 2016, 11:56 AM ET
Many U.S. measles cases occur in children whose parents refuse vaccines for religious or philosophical reasons, a new study suggests.
14 March 2016, 06:35 PM ET
New treatments that use stem cells to regrow eye tissues could one day help people with cataracts and even some who are blind, researchers say.
11 March 2016, 08:01 PM ET
The integumentary system consists of the skin, hair and nails.
11 March 2016, 07:49 PM ET
The urinary system — also known as the renal system — produces, stores and eliminates urine, the fluid waste excreted by the kidneys
11 March 2016, 07:43 PM ET
The lymphatic system helps rid the body of toxins.
11 March 2016, 07:35 PM ET
The 650 muscles in the human body control movement and help to maintain posture, circulate blood and move substances throughout the body.
11 March 2016, 06:54 PM ET
This may be the most important system in the body. Without the ability to reproduce, a species dies.
11 March 2016, 06:32 PM ET
The job of the immune system is to protect against disease.
11 March 2016, 06:20 PM ET
The endocrine system is a collection of glands that secrete hormones.